#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
#include <cstdio>
using namespace std;

const int N = 1e6 + 10;
int a[N], b[N], c[N];
int la, lb, lc;

void add(int c[], int a[], int b[])
{
	for (int i = 0; i < lc; i++)
	{
		c[i] += a[i] + b[i];
		c[i + 1] += c[i] / 10;
		c[i] %= 10;
	}
	if (c[lc])lc++;
}
int main()
{
	string x,y;
	cin >> x >> y;

	la = x.size(); lb = y.size(); lc = max(la, lb);
	for (int i = 0; i < la; i++)a[la - 1 - i] = x[i] - '0';
	for (int i = 0; i < lb; i++)b[lb - 1 - i] = y[i] - '0';

	add(c, a, b);

	for (int i = lc - 1; i >= 0; i--)cout << c[i];
	return 0;
}